<template>
	<view class="cart-container" v-if="cart.length  != 0">
    <!--收货地址-->
    <my-address></my-address> 
		<!-- 购物车商品列表的标题区域 -->
		<view class="cart-title">
		  <!-- 左侧的图标 -->
		  <uni-icons type="shop" size="18"></uni-icons>
		  <!-- 描述文本 -->
		  <text class="cart-title-text">购物车</text>
		</view>
    <uni-swipe-action>
      <block v-for="(item,i) in cart" :key="i">
        <uni-swipe-action-item :options="options" @click="swipeActionClickHandler(item)">
              <my-goods :goods="item" :showRadio="true" @radio-change="radioChangeHandler" showNum="true" @num-change="numChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <!--结算区域-->
    <my-settle></my-settle>
	</view>
  <view class="empty-cart" v-else>
  <!--  <image src="../../static/cart_empty@2x.png" class="tip-text" ></image> -->
    <text class="tip-text">空空如也</text>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  // 按需导入 mapState 这个辅助函数
  import { mapState,mapMutations } from 'vuex'
  export default {
    mixins:[badgeMix],
    computed:{
       // 将 m_cart 模块中的 cart 数组映射到当前页面中使用
       ...mapState('m_cart', ['cart']),
    },
		data() {
			return {
				 options: [{
				      text: '删除', // 显示的文本内容
				      style: {
				        backgroundColor: '#C00000' // 按钮的背景颜色
				      }
				    }]
			};
		},
    methods:{
      swipeActionClickHandler(goods){
        this.removeGoods(goods);
      },
      ...mapMutations('m_cart',['updateGoods','updateCount','removeGoods']),
      radioChangeHandler(e){
        this.updateGoods(e);//修改vuex里的数据
      },
      numChangeHandler(e){
        this.updateCount(e);
      }
    }
	}
</script>

<style lang="scss">
  .empty-cart{
    display: flex;
    flex-direction: column;/*flex 纵向 布局*/
    align-items: center;/*flex 横向居中*/
    justify-content: center;/*flex 纵向居中*/
    
    image{
        height: 90px;
        width: 90px;
    }
    .tip-text{
      font-size: 12px;
      color: gray;
    }
  }
  .cart-container{
    padding-bottom: 50px;
  }
.cart-title{
    display: flex;
    align-items: center;
    height: 40px;
    font-size: 14px;
    padding-left: 5px;
    border-bottom: 1px solid #efefef;
    .cart-title-text{
      
    }
}
</style>
